CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/OPAmcnUm"] [Date "2024.10.19"] [White "Nikolai"] [Black "Alice"] [Result "1-0"] [UTCDate "2024.10.19"] [UTCTime "17:02:30"] [WhiteElo "1270"] [BlackElo "1099"] [WhiteRatingDiff "+4"] [BlackRatingDiff "-53"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A40"] [Opening "Mikenas Defense"] [Termination "Time forfeit"] [Annotator "cohenchessclub.com"] 1. d4 Nc6?! { (0.32 → 0.92) Inaccuracy. Nf6 was best. } { A40 Mikenas Defense } (1... Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2) 2. Nf3 a5?! { (0.91 → 1.59) Inaccuracy. d5 was best. } (2... d5 3. c4 e6 4. Nc3 Nf6 5. a3 Be7 6. e3 O-O 7. b4) 3. Bf4 d5 4. c3 Bf5 5. Nbd2?! { (0.78 → 0.26) Inaccuracy. Qb3 was best. } (5. Qb3 Rb8) 5... a4?! { (0.26 → 1.03) Inaccuracy. e6 was best. } (5... e6 6. e3) 6. e3 h5?! { (0.92 → 1.52) Inaccuracy. e6 was best. } (6... e6 7. Bb5) 7. Be2?! { (1.52 → 0.56) Inaccuracy. a3 was best. } (7. a3) 7... g6?! { (0.56 → 1.60) Inaccuracy. e6 was best. } (7... e6) 8. O-O Bh6 9. h3? { (1.57 → 0.32) Mistake. Bxh6 was best. } (9. Bxh6 Nxh6) 9... b5?? { (0.32 → 6.77) Blunder. Bxf4 was best. } (9... Bxf4) 10. Qe1?? { (6.77 → 1.51) Blunder. Bxb5 was best. } (10. Bxb5) 10... Rb8 11. Bxh6 Rxh6?! { (1.79 → 2.51) Inaccuracy. Nxh6 was best. } (11... Nxh6 12. b3) 12. g4?? { (2.51 → -4.16) Blunder. b3 was best. } (12. b3 Kf8 13. bxa4 bxa4 14. Qd1 e5 15. Qxa4 g5 16. Nxe5 Nxe5 17. dxe5 Qe7 18. e4 dxe4) 12... hxg4 13. hxg4 Bxg4 14. Kg2?! { (-4.54 → -7.61) Inaccuracy. Ng5 was best. } (14. Ng5) 14... f5?? { (-7.61 → -0.90) Blunder. Qd7 was best. } (14... Qd7 15. Ng5) 15. Ng5?! { (-0.90 → -1.84) Inaccuracy. Rh1 was best. } (15. Rh1 Qd6 16. b3 Kf8 17. bxa4 bxa4 18. Rb1 Rxb1 19. Qxb1 Rxh1 20. Qxh1 Bxf3+ 21. Nxf3 Kg7) 15... Rh4?? { (-1.84 → 0.21) Blunder. e5 was best. } (15... e5 16. f4 e4 17. Rh1 Nce7 18. Rxh6 Nxh6 19. Qh4 Neg8 20. Bxg4 fxg4 21. Rh1 Kd7 22. Qf2) 16. Ne6?? { (0.21 → -4.06) Blunder. f4 was best. } (16. f4) 16... Qd6 17. Nf4 g5 18. Nd3?? { (-2.92 → Mate in 1) Checkmate is now unavoidable. f3 was best. } (18. f3 Qh6) 18... e6?? { (Mate in 1 → -2.25) Lost forced checkmate sequence. Qh2# was best. } (18... Qh2#) 19. Nf3?? { (-2.25 → Mate in 3) Checkmate is now unavoidable. Rh1 was best. } (19. Rh1 Rxh1) 19... Nf6?? { (Mate in 3 → 4.84) Lost forced checkmate sequence. Bxf3+ was best. } (19... Bxf3+ 20. Kxf3 g4+ 21. Kg2 Qh2#) 20. Nxh4 gxh4 21. Bxg4?? { (4.78 → 2.22) Blunder. f3 was best. } (21. f3 h3+ 22. Kh1 Bh5 23. Rg1 Kf7 24. Qg3 Qxg3 25. Rxg3 Ke7 26. Rxh3 b4 27. Rc1 bxc3) 21... fxg4 22. Qe2?? { (2.13 → -0.48) Blunder. f4 was best. } (22. f4 h3+) 22... Nh5?? { (-0.48 → 8.61) Blunder. Ke7 was best. } (22... Ke7) 23. Qxg4 Nf6 24. Qxh4 Qe7 25. Qh8+?! { (7.38 → 4.82) Inaccuracy. Rh1 was best. } (25. Rh1 Ne4 26. Rag1 a3 27. b4 Kd7 28. Kf1 Qf8 29. Qh7+ Kd6 30. Rg7 Ne7 31. Rh6 Re8) 25... Qf8?! { (4.82 → 7.15) Inaccuracy. Kd7 was best. } (25... Kd7 26. Nc5+) 26. Qh3 Ne4 27. Qxe6+ Ne7 28. Qh3?! { (6.49 → 4.76) Inaccuracy. Ne5 was best. } (28. Ne5) 28... Ng6?! { (4.76 → 7.83) Inaccuracy. Qg7+ was best. } (28... Qg7+ 29. Kh1 Rb6 30. Rg1 Qf8 31. Rg4 Nf5 32. Qg2 Rh6+ 33. Kg1 Qf7 34. f3 Nf6 35. Rg5) 29. Qe6+ Ne7 30. Qh3?! { (6.61 → 4.18) Inaccuracy. Ne5 was best. } (30. Ne5) 30... Ng5? { (4.18 → 7.84) Mistake. Qg7+ was best. } (30... Qg7+ 31. Kh2) 31. Qh5+ Nf7 32. Nf4 Ng8 33. Nxd5 Rd8 34. Nxc7+ Ke7 35. Nxb5 Qe8 36. b3 Rb8 37. bxa4 Ne5 38. Qxe5+ Kd8?! { (12.75 → Mate in 1) Checkmate is now unavoidable. Kf8 was best. } (38... Kf8 39. Qxe8+) 39. Qxb8+?! { (Mate in 1 → 21.02) Lost forced checkmate sequence. Qc7# was best. } (39. Qc7#) 39... Ke7 40. Qxe8+ Kxe8 41. Rh1 Nf6?! { (77.60 → Mate in 14) Checkmate is now unavoidable. Ne7 was best. } (41... Ne7 42. Rh8+) 42. Rh8+?! { (Mate in 14 → 75.09) Lost forced checkmate sequence. Kf3 was best. } (42. Kf3 Nd5 43. Rh8+ Kf7 44. Rg1 Ne7 45. Rh7+ Ke8 46. e4 Kf8 47. Nd6 Ng6 48. Rf7+ Kg8) 42... Ke7 43. Rah1 Kf7?! { (80.02 → Mate in 11) Checkmate is now unavoidable. Ng4 was best. } (43... Ng4 44. a5) 44. R1h7+ Kg6 45. Rh6+ Kg7 46. Rxf6 Kxh8 47. d5 Kh7 48. d6 Kg7 49. d7 Kxf6 50. d8=Q+ Kf5 51. c4 Ke4 52. Qe7+ Kd3 53. Qd6+ { White wins on time. } 1-0